Add package-and-qa job for MRs

What does this MR do?

Make it easy to build packages/docker-images and run QA using them from gitlab-pages MRs.

TODO

• I added the Changelog trailer (e.g. Changelog: added) to the commits that need to be included in the changelog
• I added unit tests or they are not required
• I added acceptance tests or they are not required
• I added documentation (or it's not required)
• I followed code review guidelines
• I followed Go Style guidelines